/*
 TODO：请补充代码
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.canter {
    background-color: #a6b1e1;
}

.header {
    width: 1024px;
    margin: 0 auto;
    height: 440px;
    padding-top: 13px;
}

.nav {
    display: flex;
    align-items: center;
    height: 46px;
    padding: 0 10px;
}

.nav > span {
    font-size: 18px;
    color: white;
    margin-right: 365px;
    font-weight: 600;
}

.nav_c span {
    font-size: 16px;
    color: white;
    margin-right: 28px;
    font-weight: 600;
}

.nav_c span:nth-child(7) {
    margin-right: 0px;
}

.header_text {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-top: 30px;
}

.title_header {
    font-size: 45px;
    color: black;
    margin-bottom: 62px;
}

.title_p {
    font-size: 21px;
    font-weight: 200;
    color: white;
    margin-bottom: 36px;
}

.join {
    color: #efbfbf;
    border-radius: 2px;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    box-shadow: inset 0 0 0 2px #efbfbf;
}

.conter {
    width: 1024px;
    margin: 74px auto 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    height: 302px;
}

.conter .item {
    height: 144px;
    width: 502px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.conter .item span {
    font-size: 30px;
    font-weight: 200;
    color: black;
}

.conter .item p {
    font-size: 18px;
    color: #aaa;
    line-height: 1.4em;
}

.footer {
    width: 100%;
    height: 80px;
    border-top: 2px solid #aaa;
}

.footer_text {
    width: 1024px;
    margin: 0 auto;
    text-align: center;
    font-size: 14px;
    color: #aaa;
    padding-top: 30px;
}

.footer_text p {
    margin-top: 10px;
}
